text: const jax = url => new Promise((resolve, reject) => {
    const request = new window.XMLHttpRequest()
    request.addEventListener('readystatechange', change.bind(undefined, request, resolve, reject))
    request.open('GET', url)
    request.send()
  
    function change (request, resolve, reject) {
      if (request.readyState === request.DONE) {
        request.status === 200
          ? resolve(request.responseText)
          : reject(request.status)
      }
    }
  })
  
  export default jax
  